import {v4 as uuidv4} from "uuid"

// 要生成一个随机字符串，且每次执行不能发生变化，游客身份持久存储
export const getUUID = () => {
    let uuid_token = localStorage.getItem('UUIDTOKEN')
    if(!uuid_token) {
        // 生成一个临时身份
        uuid_token = uuidv4();
        // 本地存储存储一次
        localStorage.setItem('UUIDTOKEN',uuid_token)
    }
    return uuid_token
}